<template>
  <!-- 注册页面的整体盒子 -->
  <div class="login-container">
    <!-- 注册的盒子 -->
    <div class="login-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <el-form
        :model="loginForm"
        :rules="loginRules"
        ref="loginFormRef"
        class="demo-ruleForm"
      >
        <!-- 用户名 -->
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            placeholder="用户名"
            prefix-icon="el-icon-user-solid"
            autocomplete="huxiaojia"
          ></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            placeholder="密码"
            prefix-icon="el-icon-lock"
            autocomplete="jws666666"
            @keydown.enter.native="loginUser"
          ></el-input>
        </el-form-item>
        <!-- 登录和去登陆链接 -->
        <el-form-item>
          <el-button type="primary" class="btn-login" @click="loginUser"
            >登录</el-button
          >
          <el-link type="primary" @click="$router.push('/reg')">去注册</el-link>
        </el-form-item>

        <!-- 结束表单标签 -->
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: "Login",
  data() {
    const somePwd = (rule, value, callback) => {
      if (value !== this.regForm.password) {
        callback(new Error("两次输入密码不一致!"));
      } else {
        callback();
      }
    };
    return {
      loginForm: {
        username: "",
        password: "",
      },
      loginRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            pattern: /^[a-zA-Z0-9]{1,10}$/,
            message: "必须以大小写字母或数字开头，长度1-10位之间",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            pattern: /^\S{6,15}$/,
            message: "密码必须是6-15位的非空字符",
            trigger: "blur",
          },
        ],
      },
    };
  },
  methods: {
    loginUser() {
      this.$refs.loginFormRef.validate(async (valid) => {
        if (!valid) return;
        const { data: res } = await this.$http({
          method: "post",
          url: "/api/login",
          data: {
            ...this.loginForm,
          },
        });

        if (res.code !== 0) return this.$message.error(res.message);
        this.$message.success(res.message);
        this.$store.commit("updateToken", res.token);

        // console.log(res.token);
        this.$router.push("/");
      });
    },
  },
};
</script>

<style lang="less" scoped>
.login-container {
  background: url("../../assets/images/login_bg.jpg") center;
  background-size: cover;
  height: 100%;

  .login-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    padding: 0 20px;

    .title-box {
      height: 60px;
      background: url("../../assets/images/login_title.png") center no-repeat;
    }
    .btn-login {
      width: 100%;
    }
  }
}
</style>
